This mammoth ship is the largest passenger carrying heavier than air aircraft in the world and was build especially for night service. It is capable of carrying 30 passengers and a ton of mail at the same time. The cabin of the ship is 65 feet long and the wing spread 120 feet. It is powered by three motors, and is calculated to make from 120 to 125 miles an hour, flying at a height of 25,000 feet. It can fly at the rate of 80 miles an hour on only one engine and has a gliding angle of fifty miles from a heigh of 4 miles, without any engine whatsoever. The man standing at the right is Alfred W. Lawson, the designer and owner of the plane on Nov. 24, 1920. (AP Photo)

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